+**Blockchain** is a decentralized, distributed digital ledger, cryptographically linking data blocks into an immutable chain. Each new block adds to the history, making it secure and transparent. This technology underpins systems like [Cryptocurrency](/wiki/cryptocurrency), enabling trust without a central authority and fostering new forms of [Digital Trust](/wiki/digital_trust).
+## See also
+- [Decentralization](/wiki/decentralization)
+- [Distributed Ledger](/wiki/distributed_ledger)
+- [Cryptography](/wiki/cryptography)
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